How To Fix PRF_CNTRL_MSG128 - Please relaunch Screen from source. You cannot refresh the page.

SAP Error Message - Details

• Message type: E = Error

• Message class: PRF_CNTRL_MSG - Message Class for control messages of PRF

• Message number: 128

• Message text: Please relaunch Screen from source. You cannot refresh the page.

What causes this issue?

Page must have been refreshed or back button pressed.

System Response

System not able to determine launch parameters of runtime.

How to fix this error?

Launch the screen from the Source where it was initially launched. For
e.g.
+,,If launched from reporting screen user again needs to relaunch the
screen from same link.
+,,If Launch was due to change in parent documents (say quantity/price
change) then relaunch screen using edit button on respective
transactions.
+,,If launched for display or edit from respective button click, then
relaunch by clicking same buttons.
Data since last saved will still be available for further processing.

Procedure for System Administrators

N/A.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message PRF_CNTRL_MSG128 - Please relaunch Screen from source. You cannot refresh the page. ?

  The SAP error message PRF_CNTRL_MSG128 with the text "Please relaunch Screen from source. You cannot refresh the page." typically occurs in the context of SAP GUI or web applications when there is an issue with the session state or the way the application is handling the user interface.
  Cause:
  
  Session State Issues: The error often arises when the session state is lost or invalidated. This can happen if the user tries to refresh the page or navigate back using the browser's back button, which can disrupt the expected flow of the application.
  Browser Compatibility: If you are using a web-based SAP application, certain browsers or browser settings may not be fully compatible with the SAP application, leading to unexpected behavior.
  Network Issues: Intermittent network connectivity can also cause the session to become unstable, leading to this error.
  Application Logic: The application may have specific logic that prevents refreshing or navigating away from a certain screen without proper handling.
  
  Solution:
  
  Relaunch the Screen: The immediate solution is to follow the instruction in the error message. Close the current screen and relaunch it from the source (e.g., the main menu or the initial transaction).
  Avoid Refreshing: Avoid using the browser's refresh button or navigating back using the browser's back button. Instead, use the navigation options provided within the SAP application.
  Check Browser Settings: If you are using a web-based SAP application, ensure that you are using a supported browser and that any necessary settings (like pop-up blockers or JavaScript) are configured correctly.
  Clear Cache: Sometimes, clearing the browser cache or the SAP GUI cache can resolve issues related to session state.
  Network Stability: Ensure that your network connection is stable. If you are on a VPN, check for any connectivity issues.
  Contact Support: If the issue persists, consider reaching out to your SAP support team or system administrator for further assistance. They may need to check the application logs or session management settings.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues related to this error message. SAP frequently updates its knowledge base with solutions and workarounds for common problems.
  User Training: Ensure that users are trained on the proper navigation methods within the SAP application to minimize the occurrence of this error.
  System Configuration: Sometimes, system configuration settings can lead to such issues. Ensure that the SAP system is properly configured for the type of transactions being performed.
  
  By following these steps, you should be able to resolve the PRF_CNTRL_MSG128 error and prevent it from occurring in the future.